Boot disk, Raid, and Final Cut?

Discussion in 'Mac Pro' started by NRose8989, Jul 7, 2008.

  1. macrumors 6502a

    Joined:
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    #1
    I've heard somewhere that its not good to have your scratch disk set on your boot drive, is this true? Final Cut performance is most important, but i would also like to archive my DVD collection to be a media server to my apple tv etc. so storage for all that has to come from somewhere.
    NOTE.. i would like to reserve my 4th bay for windows only drive and a software raid will be used for these.

    what would you think is a better set-up,

    3x internal drives (all of the same model, probably WD 640's) set in raid 0 (both serve as boot drive and scratch disk) occupying bays 1, 2, and 3. In this set-up, everything (DVD's, music, photos, final cut media) would be stored on this array.

    OR

    1x large boot drive (probably 1TB) in bay 1 and 2x internal drives (probably WD 640's) in bays 2 and 3 set in raid 0. In this set-up, DVD's, music, and photos would be stored on the boot drive, while the raid array would only be used as a scratch disk and store final cut media files

    again performance is most important and don't worry, i have a external back-up solution for this. Thanks in Advance.
     
  2. macrumors member

    Joined:
    Oct 27, 2007
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    #2
    I like option two better. You will get better performance with 3 drives in raid 0 but too many points of failure, IMO.
     
  3. macrumors 6502a

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    #3
    ya I'm in a bit of a delemia, if i went with a all raid setup (option 1), i would have to get a more elaborate back up solution like a drobo but unfortunatly it's not a firewire array, only USB. and i heard that you can't apply firmware updates while booted on a raid, is this true? then i would have to get another drive with OS X install on it just to apply firmware updates.

    but having a super fast boot raid sounds very appealing.

    aside from more points of failure, does having your scratch disk set on your boot drive effect performance?

    ugh so many decisions. I probably will get 3 WD 640's then experiment with different setups.
     
  4. macrumors regular

    Joined:
    Jun 29, 2007
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    Location:
    Michigan
    #4
    My recommendation....

    (4) drives, WD640's

    1 - Boot Drive
    2 - Music / Photos / Video (i.e., HOME folder)
    3/4 - Raid 0 for scratch disk, projects in work.

    External 1 GB Time Machine as an added security bonus.
     
  5. macrumors 6502a

    Joined:
    Sep 16, 2006
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    #5
    That used to be true, but I think later firmware updates worked from stripe RAIDs. When the earlier updates didn't work, I booted from an external FW drive to install & apply the update. Later updates didn't seem to need that.


    Sounds about right, though I don't know if scratch disk should be the same drives as your video projects. I can't help but wonder if fast 1TB drives across the board would be a better bet because storage needs can get out of hand with video projects.
     

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